Answer:
Step-by-step explanation:
Start with the distance formula:
√[(x2-x1)2+(y2-y1)2]
Plugging your x and y values in you get:
√[(-8.3-2.8)2+(9.6-(-1.8))2]
Simplify inside before you square:
√[(-11.1)2+(11.4)2]
√(123.21)+(129.96)
√(253.17)
15.911